thermodynamics

Thermodynamics is the branch of physics that studies how heat changes to and from other energy forms.

(noun)

An example of thermodynamics is the study of how heat changes between a hot object and a cold object.

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See thermodynamics in Webster's New World College Dictionary

noun

the branch of physics dealing with the transformation of heat to and from other forms of energy, and with the laws governing such conversions of energy

Origin: thermo- + dynamics

See thermodynamics in American Heritage Dictionary 4

noun
  1. (used with a sing. verb) Physics that deals with the relationships and conversions between heat and other forms of energy.
  2. (used with a pl. verb) Thermodynamic phenomena and processes.

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